美股开盘：美光大涨 3%，存储芯片、光通信集体走强

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US stock market opened higher across the three major indices, with memory chips and optical communication stocks showing strength. Micron Technology rose about 3% ahead of earnings, while Cerebras and FedEx declined due to weak expectations. 

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财联社 2026-06-24 21:33 上海

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今日美股开盘，三大指数集体高开，道琼斯指数涨0.01%，标普500指数涨0.10%，纳斯达克综合指数涨0.02%。

美股存储芯片、光通信走高，美光科技涨约3%，今日盘后将公布财报；Credo涨超2%，ARM、闪迪、西部数据等涨超1%。AI芯片公司Cerebras跌超7%，该公司预计全年利润率将降至一季度水平以下。联邦快递跌超1%，全年盈利展望不及市场预期。